Finding the Fourth Proportional to 330,013.44, 455,418.99 and 179,110.44
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Solution
The fourth proportional to 330,013.44, 455,418.99 and 179,110.44 is: 247,172.65
Step by Step Solution
- Step 1: Write the proportion equation
330,013.44 : 455,418.99 = 179,110.44 : x - Step 2: Convert to fraction form
330,013.44/455,418.99 = 179,110.44/x - Step 3: Cross multiply
330,013.44x = 455,418.99 × 179,110.44 - Step 4: Simplify right side
330,013.44x = 81,570,295,683.26 - Step 5: Solve for x
x = 81,570,295,683.26/330,013.44 - Step 6: Final answer
x = 247,172.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.